violet bought a stock in a company two years ago that was worth x dollars. During the first year she owned the stock, is increased by 19% During the second year the value of the stock increased by 23%. Write an expression in terms of x that represents the value of the stock after two years have passed.

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers. a) one of the 400 passengers is selected uniformly at random. let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip